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Comparison of the surgical indicators in the two groups of patients (mean ± SD)
| Group | Number of cases | Operation time (min) | Intraoperative blood loss (mL) | Incision length (mm) | Bed time after operation (d) | Hospital stay (d) |
| Observation group | 48 | 72.64 ± 6.32 | 35.42 ± 8.16 | 2.25 ± 0.34 | 3.36 ± 2.18 | 7.25 ± 3.64 |
| Control group | 48 | 52.87 ± 4.34 | 60.25 ± 11.24 | 6.82 ± 0.41 | 4.79 ± 1.86 | 10.86 ± 4.25 |
| t | 17.866 | 12.385 | 59.444 | 3.457 | 4.469 | |
| P value | 0.00 | 0.000 | 0.000 | 0.001 | 0.000 |
